| 1. | How many bits are required to represent decimal value from -50 to 50 ? | |
|
At least seven bits
|
||
|
At least six bits
|
||
|
At least eight bits
|
||
|
A least ten bits
|
||
View Answer
Discuss in Forum
Report Question| 2. | Excess - 3 code of decimal 3 is ? | |
|
1000
|
||
|
0001
|
||
|
1010
|
||
|
0110
|
||
| 3. | Hamming codes are used for ? | |
|
Burst error correction
|
||
|
Both A. and C.
|
||
|
Signal error correction
|
||
|
None of the above
|
||
| 4. | Extended Binary Coded Decimal Interchange Code is an ________ bit code ? | |
|
2
|
||
|
4
|
||
|
8
|
||
|
7
|
||
| 5. | The quantity 337 in Excess 3 BCD code would 337 be represented as ? | |
|
1000 0001 1001
|
||
|
0110 0110 1010
|
||
|
0011 0011 1010
|
||
|
0110 0011 0111
|
||
| 6. | 2's complement representation of a 16-bit number (one sign bit and 15 magnitude bits) is FFF1. Its magnitude in decimal representation is ? | |
|
0
|
||
|
1
|
||
|
32,767
|
||
|
65535
|
||
| 7. | How many possible combinations of input variables exist in 4-variable expression ? | |
|
8
|
||
|
10
|
||
|
16
|
||
|
24
|
||
| 8. | What is the result when a decimal 5238 is converted to base 16 ? | |
|
1388
|
||
|
327.375
|
||
|
12166
|
||
|
1476
|
||
| 9. | Convert the binary number 1001.0010 to decimal ? | |
|
90.125
|
||
|
9.125
|
||
|
125
|
||
|
12.5
|
||
| 10. | A logic gate is an electronic circuit which ? | |
|
operates on binary algebra
|
||
|
performs arithmetic and logic functions
|
||
|
allows flow of electrons only in one direction
|
||
|
alternates between 0 and 1 values
|
||